CN103798906A - Processing technology and application of stevia leaf used for drink - Google Patents

Abstract

The invention discloses a processing technology and application of a stevia leaf used for a drink. The processing technology comprises the following steps: sunning of a fresh stevia leaf used for a drink; cooling of the green stevia leaf; fine manipulation of the green stevia leaf; deactivation of enzymes; rubbing; baking; and sufficient drying. After processing, the fresh stevia leaf has water content of 4 to 6%, sweetness 250 to 350 times that of cane sugar, a black green color, a crumpled strip shape and delicate fragrance. The processed stevia leaf can replace cane sugar when used for a drink, poses no side effects to a human body, is capable of reducing fat, prolonging life span, promoting metabolism, lowering down blood fat, tranquilizing and allaying excitement, etc. and has certain curative effects on diseases like diabetes, hypertension, obesity, nephritis and pyelitis.

Description

Processing technology and the application of stevia rebaudian leaf for a kind of drink

 

Technical field

The present invention relates to the drink in food service industry.Processing technology and the application thereof that a kind of drink STEVIA REBAUDIANA is made sweet taste additive specifically.

background technology:

Stevia rebaudian leaf for drink (drink stevia rebaudian leaf) do sweet taste additive can be separately and water mix and use, also can replace the sugar in other drink, particularly the rock sugar in similar three bubble platform class compound teas.Because multitudinous sugar has side effect to human body, just can expand the scope of application containing sugar beverage crowd so find the substitute of multitudinous sugar.Drink stevia rebaudian leaf is rich in the diterpene glucoside that sugariness is very high, because it is not the structure of glucose, so do not participate in the energetic supersession of human body, thereby human body is free from side effects, there is the effects such as fat-reducing is long-lived, promotion metabolism, reduction blood ester, tranquilizing and allaying excitement, the diseases such as diabetes, hypertension, obesity, ephritis, pyelitis are had to certain curative effect.So replace the sugar in drink to break through people to the sugared scope of application with drink stevia rebaudian leaf.1984, China's approval stevioside was made food additives and is used.At present, the plantation of domestic existing hundreds thousand of mu, thereby raw material sources are wide, cost is low.

Summary of the invention

In view of above-mentioned, the object of the present invention is to provide the processing technology of a kind of drink stevia rebaudian leaf.

Another object of the present invention is to the application in drink of the stevia rebaudian leaf that makes by the processing technology of stevia rebaudian leaf.

A processing technology for stevia rebaudian leaf for drink, the steps include:

A. the solarization green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: time 2-5 hour, dehydration 5-10%;

B. the cool green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: a step is shone to the blue or green fresh leaf of drink stevia rebaudian leaf, and to be placed on the bamboo sieve of cool blue or green frame upper, is placed on cool place, stirs percentage of water loss 1-2% 2-4 time;

C. the fresh leaf of drink stevia rebaudian leaf does green grass or young crops: cool b step blue or green stevia rebaudian leaf is inserted in cylinder vibration machine, and rotating speed is at 22-25 rev/min, and filling fresh leaf is 20-30 kilogram/tin, generally shakes 3-5 time, and the time is 2-4 hour; Then, pile blue or green, cool green grass or young crops, blue or green, the cool blue or green time of heap is 2 hours, and heap green grass or young crops is highly 15-25cm;

D. the fresh leaf of drink stevia rebaudian leaf completes: STEVIA REBAUDIANA completes in heap green grass or young crops, cool blue or green process, and temperature is controlled at 150-200 ℃, and the time is 6-8 minute, and the moisture control of water-removing leaves is at 30-50%;

F. the rubbing, roast of the fresh leaf of drink stevia rebaudian leaf: will knead while hot after STEVIA REBAUDIANA completes, knead 10 minutes, then cure, temperature is controlled at 120-180 ℃, time is 6-8 minute, is divided into that 3-5 rubs, 3-5 roasts several operations all stage, kneads-just roasting-first rolling-multiple rolling-is dried.

E. when drink stevia rebaudianum podophyll is dry, adopt low temperature to cure slowly, temperature is 40-60 ℃, and the time is 2-6 hour, cure to stevia rebaudian leaf moisture content be 4-6%, dry cooling rear timely vacuum sealed package, cryopreservation.

The application of the stevia rebaudian leaf that the processing technology of above-mentioned stevia rebaudian leaf makes in drink.

Drink stevia rebaudian leaf feature: sugariness be sucrose 250-350 doubly, color is blackish green, is shaped as gauffer bar shaped, moisture content is at 4-6%, taste delicate fragrance.

Feature of the present invention:

1, the fresh leaf solarization of stevia rebaudian leaf green grass or young crops is to utilize natural luminous energy and heat energy to promote leaf water evaporation, makes the raising of leaf cell substrate concentration, promotes the activation of enzyme, and in acceleration leaf, the Physiology and biochemistry of material changes, of crucial importance to the fine quality of formation drink stevia rebaudian leaf.

2, cool green grass or young crops is conducive to do the moisture evaporation of blue or green process leafiness and the volatilization of low boiling green grass gas, reduces leaf temperature, and leafiness inclusion is transformed all the time at lower temperature, forms distinctive delicate fragrance feature.

3, the present invention, by the high strength rubbing squeezing action of rolling machinery, can reach the shape requirement of the fresh leaf consolidation of stevia rebaudian leaf, bending.

4, the fresh leaf of stevia rebaudian leaf is just dry take low temperature drying as main, and to reduce cured leaf moisture, volatilization green grass gas, appears its delicate fragrance.

The specific embodiment

Embodiment

A processing technology for stevia rebaudian leaf for drink, the steps include:

A. the solarization green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: penetrate more than temperature requirement daylight is soft; Time is 2-5 hour; Shine blue or green process and need turn in time leaf, ventilative heat radiation, fresh leaf should be avoided piling up, and makes to shine blue or green degree uniformity.Shine blue or green degree lighter than traditional tealeaves, turn dark green micro-hanging down as appropriateness take Ye Biaolve loss of gloss pool, Ye Selve, hand is pinched flexible sense, dehydration 5-10%.

B. the cool green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: be to shine blue or green additional process.The bamboo sieve that the blue or green fresh leaf of drink stevia rebaudian leaf of solarization is placed on to cool blue or green frame is upper, is placed in cool place, stirs non-overlapping copies between Ye Yuye, the fresh leaf percentage of water loss of stevia rebaudian leaf 1-2% 2-4 time.

C. the fresh leaf of drink stevia rebaudian leaf does green grass or young crops: if use cylinder vibration machine, rotating speed is at 22-25 rev/min, and filling fresh leaf is 20-30 kilogram/tin, generally shakes blue or green 3-5 time.It is the key that drink stevia rebaudian leaf fragrance forms that fresh leaf shakes green grass or young crops.Jog should not weigh.Drink stevia rebaudian leaf vibration machine rotating speed used is controlled flexibly, take gently as main, shakes blue or green wanting gently for the 1st time, 0.5 hour time, and rather gently heavy, in order to avoid extremely blue or green; The 2nd shakes and shakes slightly heavyly than the 1st, and 1.0 hours time, to promote transportation and the conversion of moisture and material in leaf; The 3rd swaggers perfume (or spice), 2.0 hours time, shakes to delicate fragrance and appears.Shake, the cool 2-4 hour that repeatedly lasts, make leaf from hard to soft, leaf look dark green, have wet feel, have fragrance to appear.Then, pile blue or green, cool green grass or young crops, blue or green, the cool blue or green time of heap is generally 2 hours, and heap green grass or young crops is highly 15-25cm.

D. the fresh leaf of drink stevia rebaudian leaf completes: STEVIA REBAUDIANA is blue or green at heap, cool green grass or young crops completes when moderate.The stevia rebaudian leaf bowl temperature that completes is controlled at 150-200 ℃, and fixation time is 6-8 minute, throws leaf amount and be 20-30 kilogram/tin, a rotating speed at 22-25 rev/min.Take " high temperature, on a small quantity, heavily fry " as principle.High temperature, on a small quantity, heavily fry, can reduce chlorophyllous decomposition, keep color and luster.Meanwhile, low-water-content is conducive to slow down the conversion rate in leaf inclusion processed in follow-up rolling operation, retains more active ingredient material, makes to drink soup clear green bright.Be conducive to like this its fixing inherent composition, be conducive to the formation of STEVIA REBAUDIANA fragrance.And the moisture content general control of water-removing leaves is at 30-50%, that smells has ripe fragrance taste for appropriateness.

F. the rubbing, roast of the fresh leaf of drink stevia rebaudian leaf: will knead while hot after STEVIA REBAUDIANA completes, knead 10 minutes.The rolling degree of exerting oneself should be by the principle of " pine-tight-pine "; " cold rub soon rub, bale breaking heat radiation, repeated multiple times "; rub in conjunction with flat; bale breaking in time; be divided into that 3-5 rubs, 3-5 roasts several operations all stage; its program for kneading-just roasting-first rolling-multiple rolling-be dried, the formation and the leaf juice that are so just conducive to bar rope are extruded; Thereafter cure.Stoving temperature is at 120-180 ℃, and 6-8 minute, requires high temperature, short time, makes tealeaves distribute part moisture, improves leaf temperature and repeats rolling until profile reaches product standard, leaves standstill sizing, unpacks dry after fixing.

E. when drink stevia rebaudianum podophyll is dry, adopt low temperature to roast slowly, temperature is 40-60 ℃, and the time is to cure for 2-6 hour, to excite stevia rebaudian leaf fragrance, makes its flavour mellow sweet fresh, and color and luster green emerald is glossy.If the dry deficiency of finished product stevia rebaudian leaf can affect quality and the shelf-life of stevia rebaudian leaf, to cure to stevia rebaudian leaf moisture content as 4-6%.Dry cooling rear timely vacuum sealed package, cryopreservation.

Three bubble platform compound teas are conventional drinks of the Huis masses in northwest and the whole nation.Three bubble platforms are mainly made up of tea, rock sugar and other dry fruit auxiliary material.Because the structural formula of rock sugar is that glucose-fructose biglycan is sucrose, too much taking in is the main cause that causes simple obesity.The stevia rebaudian leaf that the present invention adopts processing to make has substituted the rock sugar in three bubble platform compound teas.The stevia rebaudian leaf that processing makes is not participated in the energetic supersession of human body, thereby human body is free from side effects.

Application examples 1,

A kind of three bubble platform compound teas, the stevia rebaudian leaf being made by processing, Pilochun (a green tea) and red date, longan form: stevia rebaudianum: Pilochun (a green tea): red date, longan mass ratio are 0.1g:8g:10g.The mixed proportion of drink stevia rebaudian leaf and water is 0.1g:350-500ml, and water temperature is 80 ℃-100 ℃.The stevia rebaudian leaf making with processing is made drink sweet taste additive, and fresh leaf has important impact to the formation of drink color and luster, fragrance, flavour.The fresh leaf with good tender degree, freshness, evenness, cleanliness can be made colory delicate fragrance type drink stevia rebaudian leaf.

Application examples 2,

A kind of three bubble platform compound teas, the stevia rebaudian leaf being made by processing, Iron Guanyin and red date, longan, raisins form, stevia rebaudianum: Iron Guanyin: red date, longan, raisins mass ratio are 0.1g:10g:10g.Mixed proportion=the 0.1g:350-500ml of drink stevia rebaudian leaf and water, water temperature is 80 ℃-100 ℃.

Application examples 3,

A kind of three bubble platform compound teas, the stevia rebaudian leaf being made by processing, black tea and longan, matrimony vine, dried apricot form, stevia rebaudianum: black tea: longan, matrimony vine, dried apricot mass ratio are 0.1g:10g:10g.Mixed proportion=the 0.1g:350-500ml of drink stevia rebaudian leaf and water ,water temperature is 80 ℃-100 ℃.

Claims (2)

1. a processing technology for stevia rebaudian leaf for drink, the steps include:

A. the solarization green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: time 2-5 hour, dehydration 5-10%;

B. the cool green grass or young crops of the fresh leaf of drink stevia rebaudian leaf: a step is shone to the blue or green fresh leaf of drink stevia rebaudian leaf, and to be placed on the bamboo sieve of cool blue or green frame upper, is placed on cool place, stirs percentage of water loss 1-2% 2-4 time;

C. the fresh leaf of drink stevia rebaudian leaf does green grass or young crops: cool b step blue or green stevia rebaudian leaf is inserted to cylinder vibration machine, and rotating speed is 22-25 rev/min, and filling fresh leaf is 20-30 kilogram/tin, generally shakes 3-5 time time 2-4 hour; Then, pile blue or green, cool green grass or young crops, blue or green, the cool blue or green time of heap is 2 hours, and heap green grass or young crops is highly 15-25cm;

D. the fresh leaf of drink stevia rebaudian leaf completes: STEVIA REBAUDIANA completes in heap green grass or young crops, cool blue or green process, and temperature is controlled at 150-200 ℃, and the time is 6-8 minute, and the moisture control of water-removing leaves is at 30-50%;

F. the rubbing, roast of the fresh leaf of drink stevia rebaudian leaf: will knead while hot after STEVIA REBAUDIANA completes, knead 10 minutes, then cure, temperature is controlled at 120-180 ℃, time is 6-8 minute, is divided into that 3-5 rubs, 3-5 roasts several operations all stage, kneads-just roasting-first rolling-multiple rolling-is dried;

E. when drink stevia rebaudianum podophyll is dry, adopt low temperature to cure slowly, temperature is 40-60 ℃, and the time is 2-6 hour, cure to stevia rebaudian leaf moisture content be 4-6%, dry cooling rear timely vacuum sealed package, cryopreservation.

2. the application of the stevia rebaudian leaf that a kind of drink claimed in claim 1 makes by the processing technology of stevia rebaudian leaf in drink.